Don't forget the A330 came after the A340. The fuel savings using cofg control were probably calculated on the longhaul range of the A340. After all the design and developement work had been done it was cost effective to install the same system in the A330 for the sake of common systems benefit and all the regulatory approvals that go with it.
For the OP.
Not all A330s have a center tank so transfer is to/from the wings. Fuel is pumped/fed to the main tanks towards the end of the flight for many reasons. 1. You may need it! 2. You don't want the a/c sitting on it's ar5e on the roll out Hoskins.
B747-400 has a stab tank. A300 has a fin tank as does the VC-10 (I think). Of course the most iconic one is the Bent Nail's tail tank. Some are designed to use aft tanks purely for storage, others for trim.